Importance is based on the new information adds to the context, not its position in a clause. Since emphasis is based upon the context, the scope over which the emphasis extends is determined by the discourse level at which the information is most important. If the information is the most important in a main clause, the scope of the emphasis extends over that entire clause. If it is most important in a participial or subordinate clause, then the scope is limited to that clause, and does not extend